16218867

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 10198797

約数列:

[1, 3, 7, 17, 21, 51, 119, 181, 251, 357, 543, 753, 1267, 1757, 3077, 3801, 4267, 5271, 9231, 12801, 21539, 29869, 45431, 64617, 89607, 136293, 318017, 772327, 954051, 2316981, 5406289, 16218867]

約数ペア:

[(1, 16218867), (3, 5406289), (7, 2316981), (17, 954051), (21, 772327), (51, 318017), (119, 136293), (181, 89607), (251, 64617), (357, 45431), (543, 29869), (753, 21539), (1267, 12801), (1757, 9231), (3077, 5271), (3801, 4267)]